def __init__(self):
if not self.rules():
raise InvalidDefinition(u'Type %s defines no rules' %
(type(self).__name__, ))
self.bundles = {} # type: Dict[Text, list]
self.name_counter = 1
self.names_to_values = {} # type: Dict[Text, Any]
self.__stream = CUnicodeIO()
self.__printer = RepresentationPrinter(self.__stream)
def __init__(self):
if not self.rules():
raise InvalidDefinition("Type %s defines no rules" % (type(self).__name__,))
self.bundles = {} # type: Dict[str, list]
self.name_counter = 1
self.names_to_values = {} # type: Dict[str, Any]
self.__stream = StringIO()
self.__printer = RepresentationPrinter(self.__stream)
self._initialize_rules_to_run = copy(self.initialize_rules())
self._rules_strategy = RuleStrategy(self)
def run(data):
# Set up dynamic context needed by a single test run.
with local_settings(self.settings):
with deterministic_PRNG():
with BuildContext(data, is_final=is_final):
# Generate all arguments to the test function.
args, kwargs = data.draw(self.search_strategy)
if expected_failure is not None:
text_repr[0] = arg_string(test, args, kwargs)
if print_example or current_verbosity(
) >= Verbosity.verbose:
output = CUnicodeIO()
printer = RepresentationPrinter(output)
if print_example:
printer.text("Falsifying example:")
else:
printer.text("Trying example:")
if self.print_given_args:
printer.text(" ")
printer.text(test.__name__)
with printer.group(indent=4,
open="(",
close=""):
printer.break_()
for v in args:
printer.pretty(v)
# We add a comma unconditionally because
# generated arguments will always be
# kwargs, so there will always be more
# to come.
printer.text(",")
printer.breakable()
# We need to make sure to print these in the argument order for
# Python 2 and older versionf of Python 3.5. In modern versions
# this isn't an issue because kwargs is ordered.
arg_order = {
v: i
for i, v in enumerate(
getfullargspec(self.test).args)
}
for i, (k, v) in enumerate(
sorted(
kwargs.items(),
key=lambda t: (
arg_order.get(
t[0], float("inf")),
t[0],
),
)):
printer.text(k)
printer.text("=")
printer.pretty(v)
printer.text(",")
if i + 1 < len(kwargs):
printer.breakable()
printer.break_()
printer.text(")")
printer.flush()
report(output.getvalue())
return test(*args, **kwargs)
